renderer

package

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Versions in this module

v0

v0.14.0

Feb 5, 2026

Changes in this version

+ var FontAwesomeIconMicrophone = faUsedIcons["Microphone"]

v0.13.3

Dec 29, 2025

v0.13.2

Nov 23, 2025

v0.13.1

Nov 6, 2025

v0.13.0

Nov 6, 2025

Changes in this version

+ const FlightStripPrinter

+ const LargeFontAwesomeOnly

+ const RobotoMono

+ const RobotoMonoItalic

+ const RobotoRegular

+ var FontAwesomeIconBolt = faUsedIcons["Bolt"]

+ var FontAwesomeIconCloud = faUsedIcons["Cloud"]

+ var FontAwesomeIconCloudRain = faUsedIcons["CloudRain"]

+ var FontAwesomeIconCloudShowersHeavy = faUsedIcons["CloudShowersHeavy"]

+ var FontAwesomeIconCloudSun = faUsedIcons["CloudSun"]

+ var FontAwesomeIconSmog = faUsedIcons["Smog"]

+ var FontAwesomeIconSnowflake = faUsedIcons["Snowflake"]

+ var FontAwesomeIconSun = faUsedIcons["Sun"]

+ var FontAwesomeIconWind = faUsedIcons["Wind"]

+ type BitmapFont struct

+ Glyphs []BitmapGlyph

+ Height int

+ PointSize int

+ Width int

+ type BitmapGlyph struct

+ Bitmap []uint32

+ Bounds [2]int

+ Name string

+ Offset [2]int

+ StepX int

type ColoredLinesDrawBuilder

+ func (l *ColoredLinesDrawBuilder) AddDashedLine(p0, p1 [2]float32, dashLength, dashStep float32, color RGB)

+ func (l *ColoredLinesDrawBuilder) AddGappedCircle(p [2]float32, radius float32, nsegs int, gaps [][2]float32, color RGB)

type Font

+ func CreateBitmapFontAtlas(r Renderer, p platform.Platform, fontIter iter.Seq2[string, BitmapFont]) []*Font

type LinesDrawBuilder

+ func (l *LinesDrawBuilder) AddDashedLine(p0, p1 [2]float32, dashLength, dashStep float32) int

v0.12.2

Aug 29, 2025

Changes in this version

+ const RendererBlend

+ const RendererCallBuffer

+ const RendererClearRGBA

+ const RendererDisableBlend

+ const RendererDisableColorArray

+ const RendererDisablePolygonStipple

+ const RendererDisableTexCoordArray

+ const RendererDisableTexture

+ const RendererDisableVertexArray

+ const RendererDrawLines

+ const RendererDrawQuads

+ const RendererDrawTriangles

+ const RendererEnablePolygonStipple

+ const RendererEnableTexture

+ const RendererFloatBuffer

+ const RendererIntBuffer

+ const RendererLineWidth

+ const RendererLoadModelViewMatrix

+ const RendererLoadProjectionMatrix

+ const RendererPolygonStipple

+ const RendererRGB32Array

+ const RendererRGB8Array

+ const RendererRawBuffer

+ const RendererResetState

+ const RendererScissor

+ const RendererSetRGBA

+ const RendererTexCoordArray

+ const RendererVertexArray

+ const RendererViewport

+ var FontAwesomeIconArrowDown = faUsedIcons["ArrowDown"]

+ var FontAwesomeIconArrowLeft = faUsedIcons["ArrowLeft"]

+ var FontAwesomeIconArrowRight = faUsedIcons["ArrowRight"]

+ var FontAwesomeIconArrowUp = faUsedIcons["ArrowUp"]

+ var FontAwesomeIconBook = faUsedIcons["Book"]

+ var FontAwesomeIconBug = faUsedIcons["Bug"]

+ var FontAwesomeIconCaretDown = faUsedIcons["CaretDown"]

+ var FontAwesomeIconCaretRight = faUsedIcons["CaretRight"]

+ var FontAwesomeIconCheckSquare = faUsedIcons["CheckSquare"]

+ var FontAwesomeIconCog = faUsedIcons["Cog"]

+ var FontAwesomeIconCompressAlt = faUsedIcons["CompressAlt"]

+ var FontAwesomeIconCopyright = faUsedIcons["Copyright"]

+ var FontAwesomeIconDiscord = faBrandsUsedIcons["Discord"]

+ var FontAwesomeIconExclamationTriangle = faUsedIcons["ExclamationTriangle"]

+ var FontAwesomeIconExpandAlt = faUsedIcons["ExpandAlt"]

+ var FontAwesomeIconFastForward = faUsedIcons["FastForward"]

+ var FontAwesomeIconFile = faUsedIcons["File"]

+ var FontAwesomeIconFolder = faUsedIcons["Folder"]

+ var FontAwesomeIconGithub = faBrandsUsedIcons["Github"]

+ var FontAwesomeIconHandPointLeft = faUsedIcons["HandPointLeft"]

+ var FontAwesomeIconHome = faUsedIcons["Home"]

+ var FontAwesomeIconInfoCircle = faUsedIcons["InfoCircle"]

+ var FontAwesomeIconKeyboard = faUsedIcons["Keyboard"]

+ var FontAwesomeIconLevelUpAlt = faUsedIcons["LevelUpAlt"]

+ var FontAwesomeIconLock = faUsedIcons["Lock"]

+ var FontAwesomeIconMouse = faUsedIcons["Mouse"]

+ var FontAwesomeIconPauseCircle = faUsedIcons["PauseCircle"]

+ var FontAwesomeIconPlaneDeparture = faUsedIcons["PlaneDeparture"]

+ var FontAwesomeIconPlayCircle = faUsedIcons["PlayCircle"]

+ var FontAwesomeIconQuestionCircle = faUsedIcons["QuestionCircle"]

+ var FontAwesomeIconRedo = faUsedIcons["Redo"]

+ var FontAwesomeIconSquare = faUsedIcons["Square"]

+ var FontAwesomeIconTrash = faUsedIcons["Trash"]

+ func AvailableFontSizes(name string) []int

+ func FontAwesomeBrandsString(id string) string

+ func FontAwesomeString(id string) string

+ func FontsInit(r Renderer, p platform.Platform)

+ func GenerateImguiCommandBuffer(cb *CommandBuffer, displaySize, framebufferSize [2]float32, lg *log.Logger)

+ func ReturnColoredLinesDrawBuilder(ld *ColoredLinesDrawBuilder)

+ func ReturnColoredTrianglesDrawBuilder(td *ColoredTrianglesDrawBuilder)

+ func ReturnCommandBuffer(cb *CommandBuffer)

+ func ReturnLinesDrawBuilder(ld *LinesDrawBuilder)

+ func ReturnTextDrawBuilder(td *TextDrawBuilder)

+ func ReturnTexturedTrianglesDrawBuilder(td *TexturedTrianglesDrawBuilder)

+ func ReturnTrianglesDrawBuilder(td *TrianglesDrawBuilder)

+ type ColoredLinesDrawBuilder struct

+ func GetColoredLinesDrawBuilder() *ColoredLinesDrawBuilder

+ func (l *ColoredLinesDrawBuilder) AddCircle(p [2]float32, radius float32, nsegs int, color RGB)

+ func (l *ColoredLinesDrawBuilder) AddLine(p0, p1 [2]float32, color RGB)

+ func (l *ColoredLinesDrawBuilder) AddLineLoop(color RGB, p [][2]float32)

+ func (l *ColoredLinesDrawBuilder) GenerateCommands(cb *CommandBuffer) (int, int)

+ func (l *ColoredLinesDrawBuilder) Reset()

+ type ColoredTrianglesDrawBuilder struct

+ func GetColoredTrianglesDrawBuilder() *ColoredTrianglesDrawBuilder

+ func (t *ColoredTrianglesDrawBuilder) AddCircle(p [2]float32, radius float32, nsegs int, rgb RGB)

+ func (t *ColoredTrianglesDrawBuilder) AddQuad(p0, p1, p2, p3 [2]float32, rgb RGB)

+ func (t *ColoredTrianglesDrawBuilder) AddTriangle(p0, p1, p2 [2]float32, rgb RGB)

+ func (t *ColoredTrianglesDrawBuilder) GenerateCommands(cb *CommandBuffer)

+ func (t *ColoredTrianglesDrawBuilder) Reset()

+ type CommandBuffer struct

+ Buf []uint32

+ func GetCommandBuffer() *CommandBuffer

+ func (cb *CommandBuffer) Blend()

+ func (cb *CommandBuffer) Call(sub CommandBuffer)

+ func (cb *CommandBuffer) ClearRGB(color RGB)

+ func (cb *CommandBuffer) DisableBlend()

+ func (cb *CommandBuffer) DisableColorArray()

+ func (cb *CommandBuffer) DisablePolygonStipple()

+ func (cb *CommandBuffer) DisableTexCoordArray()

+ func (cb *CommandBuffer) DisableTexture()

+ func (cb *CommandBuffer) DisableVertexArray()

+ func (cb *CommandBuffer) DrawLines(offset, count int)

+ func (cb *CommandBuffer) DrawQuads(offset, count int)

+ func (cb *CommandBuffer) DrawTriangles(offset, count int)

+ func (cb *CommandBuffer) EnablePolygonStipple()

+ func (cb *CommandBuffer) EnableTexture(id uint32)

+ func (cb *CommandBuffer) Float2Buffer(buf [][2]float32) int

+ func (cb *CommandBuffer) IntBuffer(buf []int32) int

+ func (cb *CommandBuffer) LineWidth(w float32, scale float32)

+ func (cb *CommandBuffer) LoadModelViewMatrix(m math.Matrix3)

+ func (cb *CommandBuffer) LoadProjectionMatrix(m math.Matrix3)

+ func (cb *CommandBuffer) PolygonStipple(pattern [32]uint32)

+ func (cb *CommandBuffer) RGB32Array(offset, nComps, stride int)

+ func (cb *CommandBuffer) RGB8Array(offset, nComps, stride int)

+ func (cb *CommandBuffer) RGBBuffer(buf []RGB) int

+ func (cb *CommandBuffer) RawBuffer(buf []byte) int

+ func (cb *CommandBuffer) Reset()

+ func (cb *CommandBuffer) ResetState()

+ func (cb *CommandBuffer) Scissor(x, y, w, h int)

+ func (cb *CommandBuffer) SetDrawBounds(b math.Extent2D, scale float32)

+ func (cb *CommandBuffer) SetRGB(rgb RGB)

+ func (cb *CommandBuffer) SetRGBA(rgba RGBA)

+ func (cb *CommandBuffer) SetScissorBounds(b math.Extent2D, scale float32)

+ func (cb *CommandBuffer) TexCoordArray(offset, nComps, stride int)

+ func (cb *CommandBuffer) VertexArray(offset, nComps, stride int)

+ func (cb *CommandBuffer) Viewport(x, y, w, h int)

+ type Font struct

+ Id FontIdentifier

+ Ifont imgui.Font

+ Mono bool

+ Size int

+ TexId uint32

+ func DrawFontSizeSelector(id *FontIdentifier) (newFont *Font, changed bool)

+ func GetDefaultFont() *Font

+ func GetFont(id FontIdentifier) *Font

+ func MakeFont(size int, mono bool, id FontIdentifier, ifont *imgui.Font) *Font

+ func (f *Font) AddGlyph(ch int, g *Glyph)

+ func (f *Font) LookupGlyph(ch rune) *Glyph

+ func (font *Font) BoundText(s string, spacing int) (int, int)

+ type FontIdentifier struct

+ Name string

+ Size int

+ type Glyph struct

+ AdvanceX float32

+ U0 float32

+ U1 float32

+ V0 float32

+ V1 float32

+ Visible bool

+ X0 float32

+ X1 float32

+ Y0 float32

+ Y1 float32

+ func (g *Glyph) Height() float32

+ func (g *Glyph) Width() float32

+ type LinesDrawBuilder struct

+ func GetLinesDrawBuilder() *LinesDrawBuilder

+ func (l *LinesDrawBuilder) AddCircle(p [2]float32, radius float32, nsegs int)

+ func (l *LinesDrawBuilder) AddLatLongCircle(p math.Point2LL, nmPerLongitude float32, r float32, nsegs int)

+ func (l *LinesDrawBuilder) AddLine(p0, p1 [2]float32)

+ func (l *LinesDrawBuilder) AddLineLoop(p [][2]float32)

+ func (l *LinesDrawBuilder) AddLineStrip(p [][2]float32)

+ func (l *LinesDrawBuilder) AddNumber(p [2]float32, sz float32, v string)

+ func (l *LinesDrawBuilder) Bounds() math.Extent2D

+ func (l *LinesDrawBuilder) GenerateCommands(cb *CommandBuffer)

+ func (l *LinesDrawBuilder) Reset()

+ type OpenGL2Renderer struct

+ func (ogl2 *OpenGL2Renderer) CreateTextureFromImage(img image.Image, magNearest bool) uint32

+ func (ogl2 *OpenGL2Renderer) CreateTextureFromImages(pyramid []image.Image, magNearest bool) uint32

+ func (ogl2 *OpenGL2Renderer) DestroyTexture(texid uint32)

+ func (ogl2 *OpenGL2Renderer) Dispose()

+ func (ogl2 *OpenGL2Renderer) ReadPixelRGBAs(x, y, width, height int) []uint8

+ func (ogl2 *OpenGL2Renderer) RenderCommandBuffer(cb *CommandBuffer) RendererStats

+ func (ogl2 *OpenGL2Renderer) UpdateTextureFromImage(texid uint32, img image.Image, magNearest bool)

+ func (ogl2 *OpenGL2Renderer) UpdateTextureFromImages(texid uint32, pyramid []image.Image, magNearest bool)

+ type RGB struct

+ B float32

+ G float32

+ R float32

+ func LerpRGB(x float32, a, b RGB) RGB

+ func RGBFromHex(c int) RGB

+ func RGBFromUInt8(r uint8, g uint8, b uint8) RGB

+ func (r RGB) Equals(other RGB) bool

+ func (r RGB) Scale(v float32) RGB

+ type RGBA struct

+ A float32

+ B float32

+ G float32

+ R float32

+ type Renderer interface

+ CreateTextureFromImage func(image image.Image, magNearest bool) uint32

+ CreateTextureFromImages func(image []image.Image, magNearest bool) uint32

+ DestroyTexture func(id uint32)

+ Dispose func()

+ ReadPixelRGBAs func(x, y, width, height int) []uint8

+ RenderCommandBuffer func(*CommandBuffer) RendererStats

+ UpdateTextureFromImage func(id uint32, image image.Image, magNearest bool)

+ UpdateTextureFromImages func(id uint32, image []image.Image, magNearest bool)

+ func NewOpenGL2Renderer(l *log.Logger) (Renderer, error)

+ type RendererStats struct

+ func (rs *RendererStats) Merge(s RendererStats)

+ func (rs *RendererStats) String() string

+ func (rs RendererStats) LogValue() slog.Value

+ type TextBuffers struct

+ func (t *TextBuffers) Add(p [2]float32, glyph *Glyph, color RGB)

+ func (t *TextBuffers) GenerateCommands(cb *CommandBuffer)

+ func (t *TextBuffers) Reset()

+ type TextDrawBuilder struct

+ func GetTextDrawBuilder() *TextDrawBuilder

+ func (td *TextDrawBuilder) AddText(s string, p [2]float32, style TextStyle) [2]float32

+ func (td *TextDrawBuilder) AddTextCentered(text string, p [2]float32, style TextStyle)

+ func (td *TextDrawBuilder) AddTextMulti(text []string, p [2]float32, styles []TextStyle) [2]float32

+ func (td *TextDrawBuilder) GenerateCommands(cb *CommandBuffer)

+ func (td *TextDrawBuilder) Reset()

+ type TextStyle struct

+ BackgroundColor RGB

+ Color RGB

+ DrawBackground bool

+ Font *Font

+ LineSpacing int

+ type TexturedTrianglesDrawBuilder struct

+ func GetTexturedTrianglesDrawBuilder() *TexturedTrianglesDrawBuilder

+ func (t *TexturedTrianglesDrawBuilder) AddQuad(p0, p1, p2, p3 [2]float32, uv0, uv1, uv2, uv3 [2]float32)

+ func (t *TexturedTrianglesDrawBuilder) AddTriangle(p0, p1, p2 [2]float32, uv0, uv1, uv2 [2]float32)

+ func (t *TexturedTrianglesDrawBuilder) GenerateCommands(cb *CommandBuffer)

+ func (t *TexturedTrianglesDrawBuilder) Reset()

+ type TrianglesDrawBuilder struct

+ func GetTrianglesDrawBuilder() *TrianglesDrawBuilder

+ func (t *TrianglesDrawBuilder) AddCircle(p [2]float32, radius float32, nsegs int)

+ func (t *TrianglesDrawBuilder) AddLatLongCircle(p [2]float32, nmPerLongitude float32, r float32, nsegs int)

+ func (t *TrianglesDrawBuilder) AddQuad(p0, p1, p2, p3 [2]float32)

+ func (t *TrianglesDrawBuilder) AddTriangle(p0, p1, p2 [2]float32)

+ func (t *TrianglesDrawBuilder) Bounds() math.Extent2D

+ func (t *TrianglesDrawBuilder) GenerateCommands(cb *CommandBuffer)

+ func (t *TrianglesDrawBuilder) Reset()

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